11721400

素因数分解:

$2^3\times 5^2\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 27565200

約数和(自身を除く): 15843800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 200, 206, 412, 515, 569, 824, 1030, 1138, 2060, 2276, 2575, 2845, 4120, 4552, 5150, 5690, 10300, 11380, 14225, 20600, 22760, 28450, 56900, 58607, 113800, 117214, 234428, 293035, 468856, 586070, 1172140, 1465175, 2344280, 2930350, 5860700, 11721400]

約数ペア:

[(1, 11721400), (2, 5860700), (4, 2930350), (5, 2344280), (8, 1465175), (10, 1172140), (20, 586070), (25, 468856), (40, 293035), (50, 234428), (100, 117214), (103, 113800), (200, 58607), (206, 56900), (412, 28450), (515, 22760), (569, 20600), (824, 14225), (1030, 11380), (1138, 10300), (2060, 5690), (2276, 5150), (2575, 4552), (2845, 4120)]